001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.test.channel;
021    
022    import org.hamcrest.BaseMatcher;
023    import org.hamcrest.Description;
024    import org.sonar.channel.Channel;
025    import org.sonar.channel.CodeReader;
026    
027    public class ChannelMatcher<OUTPUT> extends BaseMatcher<Channel<OUTPUT>> {
028    
029      private final String sourceCode;
030      private final OUTPUT output;
031      private final CodeReader reader;
032    
033      public ChannelMatcher(String sourceCode, OUTPUT output) {
034        this.sourceCode = sourceCode;
035        this.output = output;
036        this.reader = new CodeReader(sourceCode);
037      }
038    
039      public ChannelMatcher(CodeReader reader, OUTPUT output) {
040        this.output = output;
041        this.sourceCode = new String(reader.peek(30));
042        this.reader = reader;
043      }
044    
045      public boolean matches(Object arg0) {
046        if ( !(arg0 instanceof Channel)) {
047          return false;
048        }
049        Channel<OUTPUT> channel = (Channel<OUTPUT>) arg0;
050        return channel.consume(reader, output);
051      }
052    
053      public void describeTo(Description description) {
054        description.appendText("Channel consumes '" + sourceCode + "'");
055      }
056    
057    }